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| Paper: |
Formation and Evolution of Dust in Various Types of Supernovae |
| Volume: |
458, Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way |
| Page: |
135 |
| Authors: |
Nozawa, T.; Kozasa, T.; Maeda, K.; Nomoto, K.; Umeda, H.; Tominaga, N.; Habe, A. |
| Abstract: |
We demonstrate how the formation and destruction processes of dust
in supernovae (SNe) depend on the type of SNe classified through
the mass of their outer envelopes.
We show that, for Type II-P SNe with massive hydrogen envelopes,
relatively large grains (≥0.01 μm) can condense in the ejecta,
and that ∼0.1–1 M☉ of dust can be injected into the
interstellar medium.
On the other hand, for Type IIb/Ib/Ia SNe with no massive envelope,
the radii of newly formed grains are considerably small, less than 0.01
μm, so the dust grains are almost completely destroyed in the
shocked hot gas.
These results suggest that envelope-retaining SNe can be
major sources of dust, whereas envelope-deficient SNe are likely to be
minor dust sources. |
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